EP3640173B1 - Garnwicklungsvorrichtung - Google Patents

Garnwicklungsvorrichtung Download PDF

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Publication number
EP3640173B1
EP3640173B1 EP18816502.1A EP18816502A EP3640173B1 EP 3640173 B1 EP3640173 B1 EP 3640173B1 EP 18816502 A EP18816502 A EP 18816502A EP 3640173 B1 EP3640173 B1 EP 3640173B1
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EP
European Patent Office
Prior art keywords
yarn
traverse
winding
width
lever member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18816502.1A
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English (en)
French (fr)
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EP3640173A4 (de
EP3640173A1 (de
Inventor
Yuho Terao
Shotaro Okugawa
Kazuki Ichihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Machinery Ltd
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Murata Machinery Ltd
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Publication date
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Publication of EP3640173A1 publication Critical patent/EP3640173A1/de
Publication of EP3640173A4 publication Critical patent/EP3640173A4/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2806—Traversing devices driven by cam
    • B65H54/2809—Traversing devices driven by cam rotating grooved cam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/32—Traversing devices; Package-shaping arrangements with thread guides reciprocating or oscillating with variable stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/46—Package drive drums
    • B65H54/48—Grooved drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/04—Wound packages of filamentary material characterised by method of winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a yarn winding device and a yarn winding method.
  • an automatic winder that unwinds a yarn from a yarn supplying bobbin manufactured by a spinning machine, while removing yarn defects such as slub, and splices the yarn of the yarn supply bobbins to manufacture one package (Refer to Patent Citation 1 and Patent Citation 2, for example).
  • Patent Citation 1 a yarn winding method is recited that moves in/out a switching guide 1 to change the traverse width in the traverse drum-type winder.
  • a yarn winding method attaches a restriction guide 14 to a yarn guide to restrict the movement of the yarn in one side in a yarn traverse width direction in the traverse drum-type winder.
  • DE 36 28 735 A1 already discloses a yarn winding device, comprising: a rotation support section to which a winding member is attached; a yarn guide section configured to guide the yarn to the winding member, the yarn guide section having a traverse drum; and a lever member configured to move between a non-restriction position at which the lever member does not restrict a movable position of the yarn in a rotational axis direction of the traverse drum to guide the yarn to the traverse drum with a predetermined traverse width, and a restriction position at which the lever member restricts the movable position of the yarn in the rotational axis direction of the traverse drum to supply the yarn to the traverse drum with a traverse width narrower than the predetermined traverse width, thereby guiding the yarn to different
  • JP H07 125920 A and EP 0 814 042 A2 show to only provide little less windings on each of the outer ends of the package and also do not teach any steps. Accordingly, these documents indeed formally show two levers, but these are only moved together to restrict the width of the windings slightly from one side or the other.
  • CH 425 572 A shows a sort of stepped package, but it clearly leads away from the present invention in that the steps of this invention are used to provide additional winding space by adding steps on to the outer surface of a normal frusto-conical package, thus giving this package more or less the form of a cylindrical package with a sawtooth formed outer circumference.
  • CH 562 156 only shows to provide notches with narrower diameter on a normal, frusto-conical package.
  • a yarn winding device comprises a rotation support section, a yarn guide section, and a lever member.
  • the rotation support section is a section to which a winding member is attached.
  • the yarn guide section is configured to guide the yarn to the winding member, the yarn guide section having a traverse drum.
  • the lever member is configured to move between a non-restriction position at which the lever member does not restrict a movable position of the yarn in a rotational axis direction of the traverse drum to guide the yarn to the traverse drum with a predetermined traverse width, and a restriction position at which the lever member restricts the movable position of the yarn in the rotational axis direction of the traverse drum to supply the yarn to the traverse drum with a traverse width narrower than the predetermined traverse width, thereby guiding the yarn to different traverse grooves of the traverse drum between the restriction position and the non-restriction position, wherein yarn winding operation with different widths are repeated to perform a step forming winding or a yarn winding operation with a traverse width narrower than the predetermined traverse width is continuously effected to perform a yarn winding with a traverse width narrower than the predetermined traverse width.
  • “different traverse grooves” means that the transfer grooves are not totally the same, and includes the case that
  • the lever member by moving the lever member between the restriction position and the non-restriction position, it is possible to change the traverse width of the yarn that is guided to the traverse drum. Specifically, when the lever member is positioned at the non-restriction position, the yarn is guided to the traverse drum with the predetermined width. When the lever is positioned at the restriction position, the yarn is guided to the traverse drum with a width narrower than the predetermined width so as to travel along the drum grooves different from a case of non-restriction. Accordingly, it is possible to form a yarn layer with a wide winding width and a yarn layer with a narrow winding width. As a result, it is possible to form a package with a narrow winding width, and to form a stepped winding which is constituted by a yarn layer with a narrow width and a yarn layer with a wide width.
  • the lever member includes a plurality of lever members provided corresponding to different positions in a rotational axis direction of the traverse drum.
  • the yarn winding device may further comprise:
  • the control section may control the driving section to perform the following steps alternately:
  • a yarn layer with a wide winding width and a yarn layer with a narrow width are alternately formed on the winding body so that the package with steps can be obtained.
  • the control section may execute the steps depending on predetermined winding pattern information.
  • Traverse grooves of the traverse drum may include a first groove extending so as to widen a path of the yarn toward a first side in a width direction of the traverse drum, and a second groove extending so as to narrow a path of the yarn toward a second side in a width direction of the traverse drum, the second groove intersecting the first groove to define an intersection.
  • the yarn travelling along the first groove may pass the intersection and continues to travel along the first groove when the lever member is positioned at the non-restriction position.
  • the yarn travelling along the first groove may shift to the second groove at the intersection and continues to travel along the second groove when the lever member is positioned at the restriction position.
  • the rotation support section may include a pair of support sections, and an adaptor that can be detachably attached to at least one of the pair of support sections and supports an end of the winding member. Accordingly, it is possible to attach winding members having different lengths to the rotation support section.
  • the control section may control the driving section such that the yarn includes a first portion and a second portion arranged with each other in a longitudinal direction of the winding member, the second portion having a larger yarn diameter than that of the first portion.
  • the yarn includes a first yarn layer wound at the first portion and the second portion with a first width from a reference end of the winding member, and a second yarn layer alternately layered with the first yarn layer, the second yarn layer being wound only at the second portion with a second width from the reference end of the winding member narrower than first width.
  • the control section controls the driving section such that the yarn includes a third portion arranged with the second portion in the longitudinal direction of the winding member, the yarn includes a third yarn layer alternately layered with the first yarn layer and the second yarn layer, and the third layer is wound only at the third portion with a third width from the reference end of the winding member narrower than the second width.
  • the control section may control the driving section such that a ratio of traverse numbers of the first yarn layer, the second yarn layer, and the third yarn layer is 2: 3: 4.
  • the control section may control the driving section such that drum winding numbers for forming the first yarn layer, the second yarn layer, and the third yarn layer are 2.5w: 2.0w: 1.5w, and the widths of the first yarn layer, the second yarn layer, and the third yarn layer are 15,24cm (6 inches): 10,16cm (4 inches): 7,62com (3 inches), respectively.
  • the control section may control the driving section such that a ratio of traverse numbers of the first yarn layer, the second yarn layer, and the third yarn layer is 1: 2: 2.
  • the control section may control the driving section such that drum winding numbers for forming the first yarn layer, the second yarn layer, and the third yarn layer are 2.0w: 1.5w: 1.5w, and the widths of the first yarn layer, the second yarn layer, and the third yarn layer are 10,16cm (4 inches): 9,65cm (3.8 inches): 7,62cm (3 inches), respectively.
  • the yarn may include a first portion and a second portion arranged with each other in a longitudinal direction of the winding body.
  • the second portion has a yarn layer with a diameter larger than that of the first portion.
  • the yarn may have a first layer and a second layer alternately layered with each other.
  • the first yarn layer is wound at the first portion and the second portion with a first width from a reference end of the winding member.
  • the second yarn layer is wound only at the second portion with a second width shorter than the first width from the reference end of the winding member.
  • first lever member and a second lever member are provided.
  • first lever member is positioned within the original traverse width of the yarn, and restricts the yarn from further moving at the restriction position to shorten the traverse width of the yarn.
  • the second lever member is positioned within the original traverse width, and restricts the yarn from further moving at the restriction position to further shorten the traverse width of the yarn.
  • the traverse width of the yarn becomes shorter as one of the turn position shifts in the following order; the original position, the first lever member, and the second lever member.
  • the yarn supplied from traverse drum to the winding member forms a yarn layer with the widest width, a yarn layer having one end corresponding to one end of the previous one and overlapping the previous one partially in the drum width direction with the middle width, and a yarn layer having one end corresponding to one end of the previous one, and partially overlapping the previous one in the drum width direction with the narrowest width.
  • a yarn winding method performed by a yarn winding device including a support rotation section to which a winding member is attached, a yarn guiding section having a traverse drum and configured to guide the yarn to the winding member, a lever member configured to move between a non-restriction position at which the lever member does not restrict the a movable position of the yarn in a rotational axis direction of the traverse drum to guide the yarn to the traverse drum with a predetermined traverse width, and a restriction position at which the lever member restricts the movable position of the yarn in the rotational axis direction of the traverse drum to supply the yarn to the traverse drum with a width narrower than the predetermined traverse width, the method repeatedly performing the following steps alternately to realize a step forming winding:
  • FIG. 1 is a schematic front diagram illustrating a yarn winding section of an automatic winder in the first embodiment.
  • the automatic winder 1 includes a yarn winding section 2.
  • the yarn winding section 2 is a device configured to traverse a yarn 4, which is unwound from a yarn supplying bobbin 3, to wind the yarn 4 around a winding tube 6 (one example of a winding member), thereby forming yarn layers, i.e., a cone-shaped package 7.
  • a yarn winding section 2 is illustrated in Fig. 1
  • the automatic winder 1 is constituted by a plurality of yarn winding sections 2 located on a machine base (not shown).
  • winding tube 6 is a winding member being flangeless at both-ends.
  • the winding tube 6 is cone-shaped, it may be cylindrical.
  • the yarn supplying bobbin 3 which is attached to a tray, is supplied to the yarn winding section 2 by a conveyor (not shown), and is dispelled after the yarn winding operation.
  • the yarn winding section 2 as one example of a winding section, includes a cradle 8 (one example of a rotation support section) that detachably supports the winding tube 6, and a yarn guide section 12 that guides the yarn 4 to the winding tube 6.
  • the yarn guide section 12 includes a traverse drum 5, which rotates at a certain speed contacting a peripheral surface of the winding tube 6 or a peripheral surface of the package 7.
  • the cradle 8 supports both ends of the winding tube 6 by rotatably holding them.
  • the cradle 8 can tilt around a rotational axis 10 so that winding thickening (increase of the yarn layer in diameter) accompanying the yarn 4 winding around the winding tube 6 or the package 7 can be absorbed by the rotation of the cradle 8.
  • the winding tube 6 or the package 7 rotates following up the traverse drum 5 by rolling contact.
  • the traverse drum 5 rotates the package 7 as well as traverses the yarn 4 on the surface of the package 7.
  • the traverse drum 5 is driven for rotation by a package driving mechanism 41 ( Fig. 8 ).
  • the package driving mechanism 41 includes a motor and a power transmission mechanism.
  • the traverse drum 5 has a peripheral surface on which spiral traverse grooves 9 are formed.
  • the yarn 4 is wound around the peripheral surface of the winding tube 6 while the yarn 4 is traversed by the traverse grooves 9 with a constant width, thereby forming the package 7.
  • a unit control section 50 ( Fig. 8 ), which controls the yarn winding section 2, is provided at each of the yarn winding sections 2.
  • the yarn winding section 2 includes a yarn splicing device 14, a yarn clearer 15, a waxing device 24, a cleaning pipe 25 along a yarn travelling path between the yarn supplying bobbin 3 and the traverse drum 5 in the above-described order from the yarn supplying bobbin 3 side.
  • the yarn splicing device 14 joins a lower yarn 4L as the yarn 4 from the yarn supplying bobbin 3 and an upper yarn 4U as the yarn from the package 7 after a yarn cut when the yarn clearer 15 detects a yarn defect and cuts the yarn 4, or after a yarn breakage of the yarn 4 from the yarn supplying bobbin 3.
  • the yarn clearer 15 is a device that detects a thickness of the yarn 20 and includes a sensor for detecting a thickness of the yarn 20 passing a detecting portion of the yarn clearer 15, and an analyzer (not shown) for processing a yarn thickness signal from the sensor.
  • the yarn clearer 15 detects a yarn defect such as slub by monitoring the yarn thickness signal from the sensor.
  • the yarn clearer 15 includes a cutter 16 with which the yarn 4 is immediately cut when a yarn defect is detected.
  • a lower yarn sucking, catching, and guiding mechanism 17 for sucking, catching, and guiding the lower yarn 4L on the yarn supplying bobbin 3 side to the yarn splicing device 14 is provided below the yarn splicing device 14.
  • An upper yarn sucking, catching, and guiding mechanism 20 (suction section) for sucking, catching, and guiding the upper yarn 4U on the package 7 side to the yarn splicing device 14 is provided above the yarn splicing device 14.
  • the upper yarn sucking, catching, guiding mechanism 20 is shaped like a pipe and includes an air suction mouth 22 at the tip thereof.
  • the upper yarn sucking, catching, guiding mechanism 20 is composed of a pipe 20a extending from the suction mouth 22 and a shaft 21 that rotatably supports the pipe 20a.
  • the pipe 20a is connected to a shutter device (not shown) via a coupling pipe (not shown).
  • the base end of the upper yarn sucking, catching, guiding mechanism 20 is connected to a blower (not shown) via the shutter device (not shown).
  • the lower yarn sucking, catching, guiding mechanism 17 is also shaped like a pipe and includes an air suction port 19 at the tip thereof.
  • the lower yarn sucking, catching, guiding mechanism 17 is composed of a relay pipe 17a configured to be pivotally movable around a shaft 18, and a coupling pipe (not shown) that couples the relay pipe 17a to a blower duct (not shown).
  • the waxing device 24 applies appropriate wax to the traveling yarn 4.
  • a cleaning pipe 25 sucks and removes foreign matter attached to the traveling yarn 4.
  • Abase end of the cleaning pipe 25 is connected to the blower via the shutter device (not shown).
  • a suction port is formed at the tip of the cleaning pipe 25. The suction port of the cleaning pipe 25 is located in proximity to the yarn 4 traveling between the waxing device 24 and the traverse drum 5.
  • Fig. 2 is a schematic diagram illustrating a package.
  • Fig. 3 is a schematic sectional diagram illustrating the package.
  • the package 7 is cone-shaped with steps, and has 3 steps in this embodiment. Specifically, it includes a first step 7A (one example of a first portion) having the smallest diameter, a second step 7B (one example of a second portion) having the middle diameter, and a third step 7C having the largest diameter.
  • the package 7 includes a first yarn layer 51, a second yarn layer 53, and a third yarn layer 55, which are alternately formed.
  • the first yarn layer 51 is formed completely over the width direction (from the first step 7A to the third step 7C).
  • the second yarn layer 53 is formed on one side of the first yarn layer 51 in the width direction (over the second step 7B through the third step 7C) with a width narrower than that of the first yarn layer 51.
  • the third yarn layer 55 is formed on one side of the second yarn layer 53 in the width direction (at the third step 7C) with a width narrower than that of second yarn layer 53.
  • the first step 7A is constituted by the first yarn layers 51
  • the second step 7B is constituted by the first yarn layers 51 and the second yarn layers 53
  • the third step 7C is constituted by the first yarn layers 51, the second yarn layers 53, and the third yarn layers 55.
  • the first yarn layer 51 is wound with a width (A) from a reference end (P) close to the figure right side
  • the second yarn layer 53 is wound with a width (B), which narrower than the first yarn layer 51, from the reference end on figure right side
  • the third yarn layer 55 is wound with a width (C), which is narrower than the second yarn layer 53, from the reference end on the figure right side.
  • the outermost first yarn layer 51, the third yarn layer 55, the second yarn layer 53, the first yarn layer 51 are repeatedly unwound in this order.
  • a stepped structure which includes the first step 7A and the second step 7B having different outer diameters, the yarn is unlikely to touch the yarn layer when unwound. Specifically, when the second step 7B is being unwound, the yarn never touches the first step 7A. As a result, unwinding tension is decreased.
  • first yarn layer 51 and the second yarn layer 53 which constitute the first step 7A and the second step 7B of the yarn, are alternately layered. Accordingly, it is possible to realize the yarn winding by which a dangerous zone of latching is avoided.
  • the boundaries between the steps are smoothly changed, i.e., no angular portions are formed on the surface.
  • the reason is that the first yarn layer 51 continuously covers a level difference portion of the second yarn layer 53 from the first step 7A to the second step 7B, the first yarn layer 51 continuously covers the level difference portion of the second yarn layer 53 from the second step 7B to the third step 7C, and the second yarn layer 53 continuously covers the level difference portion of the third yarn layer 55 from the second step 7B to the third step 7C.
  • the yarn winding section 2 includes a yarn winding width adjustment device 61.
  • the yarn winding width adjustment device 61 restricts the yarn 4 being traversed so as to move the yarn 4 along the traverse grooves 9 different from the previous ones, so that a yarn layer is formed on the winding tube 6 with a width narrower than that in the non-restriction case.
  • the yarn winding width adjustment device 61 includes, as shown in Fig. 2 , a lever member 62.
  • the lever member 62 includes, as a plurality of lever members, a first guide lever 63 and a second guide lever 65.
  • the first guide lever 63 and the second guide lever 65 are provided close to a yarn guiding side of the traverse drum 5.
  • the first guide lever 63 and the second guide lever 65 are located corresponding to different positions in the rotational axis direction of the traverse drum 5, specifically, from the figure left side to the right in the above-described order.
  • the first guide lever 63 and the second guide lever 65 can move between a restriction position and a non-restriction position.
  • the restriction position the first guide lever 63 and the second guide lever 65 restrict a movable position of the yarn in the rotational axis direction of the traverse drum 5 in a yarn traverse passing area so as to guide the yarn 4 to the traverse drum 5 with a narrow traverse width.
  • the non-restriction position the first guide lever 63 and the second guide lever 65 do not restrict a movable position of the yarn in the rotational axis direction of the traverse drum by going out of the yarn traverse passing area so as to guide the yarn to the traverse drum 5 with a predetermined traverse width.
  • the first guide lever 63 and the second guide lever 65 guide the yarn 4 to the different traverse grooves 9 of the traverse drum 5 depending on whether they are positioned at the restriction position or the non-restriction position (later described).
  • Predetermined width means a traverse width defined for each of the traverse drums.
  • the yarn winding width adjustment device 61 includes a traverse forming mechanism 43 ( Fig. 8 ) that controls the operation of the first guide lever 63 and the second guide lever 65 (later described).
  • Fig. 4 is a schematic front diagram illustrating a first yarn winding operation.
  • Fig. 5 is a schematic front diagram illustrating a second yarn winding operation.
  • Fig. 6 is a schematic front diagram illustrating the third yarn winding operation.
  • the first guide lever 63 and the second guide lever 65 are located at the non-restriction positions, so that the yarn 4 is not restricted and is guided to the traverse drum 5 with the widest traverse width. As a result, the first yarn layer 51 is formed.
  • FIG. 7 is an exploded diagram of the traverse drum.
  • the rotational direction of the traverse drum 5 is indicated by an arrow (R).
  • the traverse grooves of the traverse drum 5 are formed spiral, and mainly include a traverse outward route 71 (one example of a first groove) and a traverse homeward route 73 (one example of a second groove).
  • the traverse outward route 71 extends leftward and diagonally downward in the figure and is shown as three grooves. In other words, the traverse outward route 71 extends so as to widen the path of the yarn leftward in the figure (on a first side in the width direction) when the yarn 4 is guided by the grooves.
  • the traverse outward route 71 extends in the following order: point (a); point (b); point (c); and point (d).
  • the traverse homeward route 73 extends rightward and diagonally downward in the figure, and is indicated as two grooves. In other words, the traverse homeward route 73 extends so as to narrow the path of the yarn toward the figure right side of the traverse drum 5 (on a second side in the width direction). Specifically, in Fig. 7 , the traverse homeward route 73 extends in the following order: point (d); point (e); and point (a).
  • the traverse outward route 71 and the traverse homeward route 73 include a first intersection 75 (one example of an intersection) and a second intersection 77 (one example of an intersection).
  • the first intersection 75 is provided at a position about 2/3 from the right end of the drum width in Fig. 7 .
  • the second intersection 77 is provided at a position about 1/3 from the right end of the drum width in Fig. 7 .
  • the width range within which the yarn 4 travels along the traverse grooves 9 on the traverse drum 5 is the entire drum width (15,24cm (6 inches), for example), which is shown as width (A).
  • the range within which the yarn travels along the traverse grooves 9 on the traverse drum 5 is the right end of the traverse drum 5 and the first intersection 75 (10,16cm (4 inches), for example), which is shown as width (B).
  • the width range within which the yarn 4 travels along the traverse grooves 9 on the traverse drum 5 is between the right end of the traverse drum 5 and the second intersection 77 (7,62cm (3 inches), for example) , which is shown as width (C).
  • Fig. 8 is a block diagram illustrating the control configuration of the automatic winder.
  • Fig. 9 is a flowchart for explaining the yarn winding operation.
  • the yarn winding section 2 includes a unit control section 50.
  • the unit control section 50 is a computer system including a processor (e.g. a CPU), a storage device (e.g. a ROM, a RAM, an HDD, an SSD, and the like), and various interfaces (e.g. an A/D converter, a D/A converter, a communication interface, and the like).
  • the unit control section 50 executes a program stored in a storage unit (corresponding to a part or the whole of storage area of the storage device) so as to perform various control operations.
  • the unit control section 50 may be constituted of a single processor or may be constituted of a plurality of processors independent of each other for individual controls.
  • a part or the whole of functions of individual elements of the unit control section 50 may be realized as a program that can be executed by the computer system constituting the control unit.
  • a part of functions of individual elements of the control unit may be constituted of a custom IC.
  • the above-described package driving mechanism 41 is connected to the unit control section 50.
  • the above-described traverse forming mechanism 43 is connected to the unit control section 50.
  • the traverse forming mechanism 43 is one for forming the package 7 with steps.
  • the traverse forming mechanism 43 includes a first driving mechanism 45 (one example of a driving portion), a second driving mechanism 47 (one example of a driving portion), and a rotation sensor 59.
  • the first driving mechanism 45 is an actuator for moving the first guide lever 63 between the restriction position and the non-restriction position, and is a solenoid, for example.
  • the first driving mechanism 45 may be a motor or a power transmission mechanism.
  • the second driving mechanism 47 is an actuator for moving the second guide lever 65 between the restriction position and the non-restriction position, is a solenoid, for example.
  • the second driving mechanism 47 may be a motor or a power transmission mechanism.
  • the rotation sensor 59 is one that outputs a signal each time the traverse drum 5 rotates by 1/60 rotation.
  • a sensor for detecting the location of the yarn 4 sensors and switches for detecting conditions of the devices, and information input devices (not shown) are connected.
  • Control flowchart is illustrative to be described below, each step may be omitted and replaced if necessary. Also, or more steps are performed simultaneously, may cause some or all runs overlapping.
  • each block of the control flow chart is not limited to a single control operation, it can be replaced by a plurality of control operation represented by a plurality of blocks.
  • Operation of the device is the result of a command to each device from the control unit, which are represented by the respective steps in a software application.
  • Drum winding number is number of revolutions of the traverse drum while one traverse is performed (i.e., the yarn reciprocates between both ends of the drum grooves). Therefore, the drum winding number have different number of revolutions of the drum required for one traverse (reciprocating the drum one time) for the different kinds of yarn winding operations. Therefore, signal input number from the rotation sensor 59 are different from each other for the different kinds of yarn winding operations.
  • drum winding number drum rotational number/trv
  • drum rotation signal input number/trv drum rotation signal input number/trv
  • the drum winding number (the number of winding) is determined, and how many drum rotation is necessary for one traverse is determined. Accordingly, for each winding number, a guide lever can move between the restriction position and the non-restriction position at a proper timing.
  • Step S2 it is determined whether or not the package 7 is completed. If it is not completed, the process shifts to Step S3. If it is completed, the process is finished.
  • the first yarn layer 51, the second yarn layer 53, and the third yarn layer 55 are repeatedly formed, and the first yarn layer 51 is finally formed, thereby completing the package 7.
  • the unit control section 50 executes the above-described steps depending on predetermined winding pattern information. Specifically, the unit control section 50, automatically or following the instructions from an operator, reads the winding pattern information stored in a memory, and executes the control based on it. Accordingly, the package manufacturing operation becomes simple. As a modification, an operator can input the winding pattern into the unit control section 50 every time.
  • a step of winding the first yarn layer 51 around the winding tube 6, a step of winding second yarn layer 53 over the first yarn layer 51 in a range in the longitudinal direction of the winding tube 6 shorter than the first yarn layer 51, and a step of winding the third yarn layer 55 over the second yarn layer 53 in a range in the longitudinal direction of the winding tube 6 shorter than the second yarn layer 53, are alternately repeated.
  • a yarn layer is formed which has a first step 7A, a second step 7B and a third step 7C.
  • the second step 7B and the third step 7C are arranged with the first step 7A in the longitudinal direction of the winding tube 6.
  • the second step 7B has a diameter larger than that of first step 7A.
  • the third step 7C has a diameter larger than that of the second step 7B.
  • the first yarn layer with a wide winding width and the second yarn layer with a narrow winding width can be formed, for example. Therefore, as the present embodiment, the yarn layer with a narrow winding width and the yarn layer with a wide winding width can be combined with each other on one package, thereby obtaining the package 7 with stepped portions.
  • FIG. 10 through Fig. 16 are schematic sectional diagrams illustrating the yarn winding operations.
  • the first yarn layer 51 is formed over the entire surface of the winding tube 6 (Step S1 in Fig. 9 ).
  • the second yarn layer 53 is formed over the first yarn layer 51 (Step S3 in Fig. 9 ).
  • the third yarn layer 55 is formed on the second yarn layer 53 (Step S4 in Fig. 9 ).
  • the first yarn layer 51 is formed on the previous first yarn layer 51, the second yarn layer 53 and the third yarn layer 55 (Step S1 in Fig. 9 ).
  • the second yarn layer 53 is formed on the first yarn layer 51 (Step S3 in Fig. 9 ).
  • the third yarn layer 55 is formed on the second yarn layer 53 (Step S4 in Fig. 9 ).
  • the first yarn layer 51 is formed on the third yarn layer 55 (Step S1 in Fig.9 ). As a result, the package 7 is finished.
  • the first yarn layer 51 covers the level difference portion between the second yarn layer 53 and the third yarn layer 55, change in height of the yarn layer at the level difference portion is decreased, so that the height changes gently. Accordingly, the number of the yarn layers can be increased, and the weight of the package 7 can be increased.
  • first yarn layer 51, the second yarn layer 53 and the third yarn layer 55 can be repeated three times or more although there are two such repetitions in the above-described embodiment.
  • the number of kinds of the yarn layers constituting a repeated set can be two or four or more although there are three in the above-described embodiment.
  • FIG. 17 through Fig. 19 are exploded diagrams of the grooves on the traverse drum for illustrating the travelling of the yarn along the grooves in the yarn winding operations.
  • the first yarn winding operation (step S1 in Fig. 9 )
  • the yarn 4 travels along the traverse grooves 9 of the traverse drum 5 in the following order: point (a); point (b); point (c); point (d); point (e); and point (a).
  • the first guide lever 63 is positioned at the non-restriction position, the yarn 4, travelling along the traverse outward route 71, passes the first intersection 75 and continues to travel along the traverse outward route 71.
  • the first yarn layer 51 is formed.
  • the yarn 4 travels along the traverse grooves 9 of the traverse drum 5 in the following order: point (a); point (b); point (c); first intersection 75; point (e); and point (a). More specifically, since the first guide lever 63 is positioned at the restriction position, the yarn 4, which travels along the traverse outward route 71, shifts to the traverse homeward route 73 at the first intersection 75, and then travels along the traverse homeward route 73. As a result, the second yarn layer 53 is formed.
  • the yarn 4 travels along the traverse grooves 9 of the traverse drum 5 in the following order: point (a); point (b); second intersection 77; and point (a). More specifically, since the second guide lever 65 is positioned at the restriction position, the yarn 4, which travels along the traverse outward route 71, shifts to the traverse homeward route 73 at the second intersection 77, and travels along the traverse homeward route 73 after that. As a result, the third yarn layer 55 is formed.
  • the present invention can be applied to a package of a different size.
  • the present invention can be applied to a package with a winding width of 4 inches.
  • FIG. 20 is a schematic front diagram illustrating the structure of the cradle in the second embodiment.
  • the cradle 8 has a support potion 8a at one end, to which an adaptor 83 is detachably attached.
  • the adaptor 83 supports the end portion of the winding tube 6. According, it is possible to attach winding tubes 6 with different lengths to the cradle 8.
  • the adaptor may be provided at another support end of the cradle, or both support end portions of the cradle, as modifications.
  • a stepped winding as a combination of a yarn layer with a narrow winding width and a yarn layer with a wide winding width is realized in one package in the previous embodiment, it is possible to perform other yarn winding methods.
  • the lever member is position at the restriction position to continuously guide the yarn to the traverse drum with a narrow traverse width
  • a package with a narrow winding width can be obtained.
  • the first guide lever 63 is positioned at the restriction position to continuously perform the yarn winding
  • a package with a middle-sized width can be obtained.
  • the second guide lever 65 is positioned at the restriction position to continuously perform the yarn winding, a package with a narrow width can be obtained.
  • the shape of the package may be cone-shaped (truncated cone-shape) or cheese-shaped (cylindrical).
  • the number of the guide levers is two in the first embodiment and a package with three steps is manufacture, the number of the guide lever is not limited. The number of the guide levers may be three or more.
  • the number of the guide levers positioned at the restriction position at one time is one in the first embodiment, this number is not limited.
  • the number of the guide levers moving to the restriction position at one time may be two. In this case, the traverse width of the yarn is limited between the two guide levers.
  • the present invention can be also applied to a spinning machine and an open-end spinning machine.
  • the present invention can be widely applied to a yarn winding device.

Landscapes

  • Winding Filamentary Materials (AREA)

Claims (12)

  1. Garnwickelvorrichtung (1) umfassend:
    einen Drehlagerabschnitt (8), an dem ein Wickelelement (6) angebracht ist;
    einen Garnführungsabschnitt (12), der konfiguriert ist, um das Garn (4) zu dem Wickelelement (6) zu führen, wobei der Garnführungsabschnitt (12) eine Traversiertrommel (5) aufweist; dadurch gekennzeichnet, dass
    ein erstes Hebelelement (63) und ein zweites Hebelelement (65) an in einer Drehachsrichtung der Traversiertrommel (5) unterschiedlichen Positionen vorgesehen sind, wobei der erste Hebel (63) und der zweite Hebel (65) konfiguriert sind, um sich zu bewegen zwischen einer Nicht-Begrenzungsposition, an der das erste Hebelelement (63) und das zweite Hebelelement (65) die bewegbare Position des Garns (4) in einer Drehachsrichtung der Traversiertrommel (5) nicht begrenzen, um das Garn (4) zu der Traversiertrommel (5) zu führen, und einer Begrenzungsposition, an der das erste Hebelelement (63) und das zweite Hebelelement (65) die bewegbare Position des Garns (4) in der Drehachsrichtung der Traversiertrommel (5) begrenzen, um das Garn (4) der Traversiertrommel (5) mit einer Traversierbreite zuzuführen, die schmaler ist als im Falle der Nicht-Begrenzung, um hierdurch das Garn (4) zu unterschiedlichen Traversiernuten (9) der Traversiertrommel (5) zwischen der Begrenzungsposition und der Nicht-Begrenzungsposition zu führen, sodass die Garnwickelvorrichtung (4) dazu ausgelegt ist, durch Wiederholen von Garnwickeloperationen mit unterschiedlichen Breiten ein stufenformendes Wickeln durchzuführen,
    wenn das erste Hebelelement (63) und das zweite Hebelelement (65) an den Nicht-Begrenzungspositionen sind, ein Garnwickeln (51) mit einer ersten Breite durchgeführt wird,
    wenn das erste Hebelelement (63) an der Begrenzungsposition positioniert ist und das zweite Hebelelement (65) an der Nicht-Begrenzungsposition positioniert ist, ein Garnwickeln (53) mit einer zweiten Breite, die schmaler ist als die erste Breite, durchgeführt wird, und
    wenn das zweite Hebelelement (65) an der Begrenzungsposition positioniert ist, ein Garnwickeln (55) mit einer dritten Breite durchgeführt wird, die schmaler ist als die zweite Breite, um hierdurch ein stufenformendes Wickeln mit zwei oder mehr Niveaudifferenzen durchzuführen.
  2. Die Garnwickelvorrichtung (1) nach Anspruch 1, die ferner umfasst:
    einen Antriebsabschnitt (45, 47), der konfiguriert ist, um das erste Hebelelement (63) und das zweite Hebelelement (65) anzutreiben; und
    einen Steuerabschnitt (50), der konfiguriert ist, um den Antriebsabschnitt (45, 47) zu steuern, wobei
    der Steuerabschnitt (50) den Antriebsabschnitt (45, 47) steuert, um einen Satz der folgenden Schritte abwechseln durchzuführen:
    einen Schritt des Lokalisierens des ersten Hebelelements (63) und des zweiten Hebelelements (65) an der Nicht-Begrenzungsposition;
    einen Schritt des Lokalisierens des ersten Hebelelements (63) an der Begrenzungsposition und des zweiten Hebelelements (65) an der Nicht-Begrenzungsposition; und
    einen Schritt des Lokalisierens des zweiten Hebelelements (65) an der Begrenzungsposition.
  3. Die Garnwickelvorrichtung (1) nach Anspruch 2, wobei der Steuerabschnitt (50) die Schritte in Abhängigkeit von einer vorbestimmten Wickelmusterinformation ausführt.
  4. Die Garnwickelvorrichtung (1) nach einem der Ansprüche 1 bis 3, wobei
    Traversiernuten (6) der Traversiertrommel (5) eine erste Nut (71) enthalten, die sich erstreckt, um einen Weg des Garns (4) zu einer ersten Seite (P) innerhalb einer Breitenrichtung der Traversiertrommel (P) aufzuweiten, sowie eine zweite Nut (73), die sich erstreckt, um einen Weg des Garns (4) zu einer zweiten Seite in Breitenrichtung der Traversiertrommel (5) zu verengen, wobei die zweite Nut (73) die erste Nut (71) schneidet, um eine erste Kreuzung (75) zu definieren, und eine dritte Nut, die sich erstreckt, um einen Weg des Garns (4) zu der zweiten Seite in der Breitenrichtung der Traversiertrommel (5) zu verengen, wobei die dritte Nut die zweite Nut (73) schneidet, um eine zweite Kreuzung (77) zu definieren,
    wenn das erste Hebelelement (63) und das zweite Hebelelement (75) an der Nicht-Begrenzungsposition positioniert sind, das entlang der ersten Nut (71) laufende Garn (4) die erste Kreuzung (75) und die zweite Kreuzung (77) passiert und weiter entlang der ersten Nut (71) läuft,
    wenn das erste Hebelelement (63) an der Begrenzungsposition positioniert ist und das zweite Hebelelement (65) an der Nicht-Begrenzungsposition positioniert ist, das entlang der ersten Nut (71) laufende Garn (4) an der ersten Kreuzung (75) zu der zweiten Nut (73) wechselt und weiter entlang der zweiten Nut (73) läuft, und
    wenn das zweite Hebelelement (65) an der Begrenzungsposition positioniert ist, das entlang der zweiten Nut (73) laufende Garn (4) an der zweiten Kreuzung (77) zu der dritten Nut wechselt und weiter entlang der dritten Nut läuft.
  5. Die Garnwickelvorrichtung (1) nach einem der Ansprüche 1 bis 4, wobei der Drehlagerabschnitt (8) ein Paar von Lagerabschnitten (8a) enthält, und einen Adapter (83), der an zumindest einem des Paars von Lagerabschnitten (8a) abnehmbar angebracht werden kann und ein Ende des Wickelelements (6) trägt.
  6. Die Garnwickelvorrichtung (1) nach Anspruch 2, wobei
    der Steuerabschnitt (50) den Antriebsabschnitt (45, 47) derart steuert, dass das Garn (4) einen ersten Abschnitt (7A) und einen zweiten Abschnitt (7B) und einen dritten Abschnitt (7C) enthält, die miteinander in einer Längsrichtung des Wickelelements (6) angeordnet sind, der zweite Abschnitt (7B) eine Garnlage mit einem größeren Durchmesser als jenem des ersten Abschnitts (7A) aufweist und der dritte Abschnitt (7C) eine Garnlage mit einem größeren Durchmesser als jenem des zweiten Abschnitts (7B) aufweist, und das Garn (4) eine erste Garnlage (51) enthält, die an dem ersten Abschnitt (7A), dem zweiten Abschnitt (7B) und dem dritten Abschnitt (7C) mit einer ersten Breite von einem Referenzende (P) des Wickelelements (6) gewickelt ist, eine zweite Garnlage (53), die an dem zweiten Abschnitt (7B) und dem dritten Abschnitt (7C) über die erste Garnlage (51) mit einer zweiten Breite von dem Referenzende (P) des Wickelelements (6) schmaler als die erste Breite gewickelt ist, und eine dritte Garnlage (55), die an dem dritten Abschnitt (7C) über die zweite Garnlage (53) mit einer dritten Breite von dem Referenzende (P) des Wickelelements (6) schmaler als die zweite Breite gewickelt ist.
  7. Garnwickelvorrichtung (1), umfassend:
    einen Drehlagerabschnitt (8), an dem ein Wickelelement (6) angebracht ist;
    einen Garnführungsabschnitt (12), der konfiguriert ist, um das Garn (4) zu dem Wickelelement (6) zu führen, wobei der Garnführungsabschnitt (12) eine Traversiertrommel (5) aufweist;
    ein Hebelelement (63), das konfiguriert ist, um sich zu bewegen zwischen einer Nicht-Begrenzungsposition, an der das Hebelelement (63) eine bewegbare Position des Garns (4) in einer Drehachsrichtung der Traversiertrommel (5) nicht begrenzt, um das Garn (4) zu der Traversiertrommel mit einer vorbestimmten Traversierbreite zu führen, und einer Begrenzungsposition, an der das Hebelelement (63) die bewegbare Position des Garns (4) in der Drehachsrichtung der Traversiertrommel (5) begrenzt, um das Garn der Traversiertrommel (5) mit einer Traversierbreite zuzuführen, die schmaler ist als die vorbestimmte Traversierbreite, um hierdurch das Garn (4) unterschiedlichen Traversiernuten (71, 73) der Traversiertrommel (5) zwischen der Begrenzungsposition und der Nicht-Begrenzungsposition zu führen, sodass die Garnwickelvorrichtung (1) dazu ausgelegt ist, durch Wiederholen von Garnwickeloperationen mit unterschiedlichen Breiten, ein stufenformendes Wickeln auszuführen, und um abwechselnd ein kontinuierliches Garnwickeln zu bewirken, bei dem ein Garnwickeln mit einer schmaleren Traversierbreite als der vorbestimmte Breite wiederholt ausgeführt wird, um ein Garnwickeln mit der Breite zu realisieren, die schmaler ist als die vorbestimmte Traversierbreite;
    einen Antriebsabschnitt (45), der konfiguriert ist, um das Hebelelement (63) anzutreiben; und
    einen Steuerabschnitt (55), der konfiguriert ist, um den Antriebsabschnitt zu steuern, wobei
    der Steuerabschnitt (50) den Antriebsabschnitt (45) steuert, um abwechselnd die folgenden Schritte durchzuführen: einen Schritt des Lokalisierens des Hebelelements (63) an der Begrenzungsposition, um das Garn (4) zu der Traversiertrommel (5) mit einer Traversierbreite zu führen, die schmaler ist als die vorbestimmte Breite; und einen Schritt des Lokalisierens des Hebelelements (63) an der Nicht-Begrenzungsposition, um das Garn (4) zu der Traversiertrommel (5) mit der vorbestimmten Traversierbreite zu führen,
    der Steuerabschnitt (50) dazu ausgelegt ist, den Antriebsabschnitt (45) derart zu steuern, dass das Garn (4) einen ersten Abschnitt (7A) und einen zweiten Abschnitt (7B) enthält, die miteinander in einer Längsrichtung des Wickelelements (6) angeordnet sind, wobei der zweite Abschnitt (7B) eine Garnlage (53) mit einem größeren Durchmesser als jenem des ersten Abschnitts (7A) aufweist, und das Garn (4) eine erste Garnlage (51) enthält, die an dem ersten Abschnitt (7A), und einen zweiten Abschnitt (7B) mit einer ersten Breite an einem Referenzende (P) des Wickelelements (6) gewickelt ist und eine zweite Garnlage (53), die abwechselnd mit der ersten Garnlage (51) gelegt ist, und die zweite Garnlage (53) nur an dem zweiten Abschnitt (7B) mit einer zweiten Breite von dem Referenzende (P) des Wickelelements (6) schmaler als die erste Breite gewickelt ist,
    dadurch gekennzeichnet, dass der Steuerabschnitt (50) dazu ausgelegt ist, den Antriebsabschnitt (47) derart zu steuern, dass das Garn (4) einen dritten Abschnitt (7C) enthält, der mit dem zweiten Abschnitt (7B) in der Längsrichtung des Wickelelements (6) angeordnet ist, und das Garn (4) eine dritte Garnlage (55) enthält, die abwechselnd mit der ersten Garnlage (51) und der zweiten Garnlage (53) gelegt ist, wobei die dritte Lage (55) nur an dem dritten Abschnitt (7C) mit einer dritten Breite von dem Referenzende (P) des Wickelelements (6) schmaler als die zweite Breite gewickelt ist.
  8. Die Garnwickelvorrichtung (1) nach Anspruch 7, wobei
    der Steuerabschnitt (50) dazu ausgelegt ist, den Antriebsabschnitt (45, 47) derart zu steuern, dass das Verhältnis der Traversierzahl der ersten Garnlage (51), der zweiten Garnlage (53) und der dritten Garnlage (55) 2: 3: 4 beträgt.
  9. Die Garnwickelvorrichtung (1) nach Anspruch 8, wobei
    der Steuerabschnitt (50) dazu ausgelegt ist, den Antriebsabschnitt (45, 47) derart zu steuern, dass eine Trommelwickelzahl zur Bildung der ersten Garnlage (51), der zweiten Garnlage (53) und der dritten Garnlage (55) 2,5w: 2,0w: 1,5w beträgt, und die Breiten der ersten Garnlage (51), der zweiten Garnlage (53) und der dritten Garnlage (55) jeweils 15,24 cm (6 Zoll) : 10,16 cm (4 Zoll) : 7,62 cm (3 Zoll) betragen.
  10. Die Garnwickelvorrichtung (1) nach Anspruch 7, wobei der Steuerabschnitt (50) dazu ausgelegt ist, den Antriebsabschnitt (45, 47) derart zu steuern, dass ein Verhältnis einer Traversierzahl der ersten Garnlage (51), der zweiten Garnlage (53) und der dritten Garnlage (55) 1: 2: 2 beträgt.
  11. Die Garnwickelvorrichtung (1) nach Anspruch 10, wobei
    der Steuerabschnitt (50) dazu ausgelegt ist, den Antriebsabschnitt (45, 47) derart zu steuern, dass eine Trommelwickelzahl zur Bildung der ersten Garnlage (51), der zweiten Garnlage (53) und der dritten Garnlage (55) 2,0w: 1,5w: 1,5w beträgt, und die Breiten der ersten Garnlage (51), der zweiten Garnlage (53) und der dritten Garnlage (55) jeweils 10,16 cm (4 Zoll): 9,65 cm (3,8 Zoll): 7,62 cm (3 Zoll) betragen.
  12. Garn (4) -Wickelverfahren, durchgeführt von einer Garnwickelvorrichtung (1), die einen Drehlagerabschnitt (8) enthält, an dem ein Wickelelement (6) angebracht ist, einen Garnführungsabschnitt (12), der eine Traversiertrommel (5) aufweist und konfiguriert ist, um das Garn (4) zu dem Wickelelement (6) zu führen, und ein erstes Hebelelement (63) und ein zweites Hebelelement (65), die konfiguriert sind, um sich zu bewegen zwischen einer Nicht-Begrenzungsposition, an der das Hebelelement (63, 65) eine bewegbare Position des Garns (4) in einer Drehachsrichtung der Traversiertrommel (5) begrenzt, um das Garn (4) zu der Traversiertrommel (5) mit einer vorbestimmten Traversierbreite zu führen, und einer Begrenzungsposition, an der das Hebelelement (63, 65) die bewegbare Position des Garns (4) in der Drehachsrichtung der Traversiertrommel (5) begrenzt, um das Garn (4) der Traversiertrommel (5) mit einer Traversierbreite zuzuführen, die schmaler ist als die vorbestimmte Traversierbreite, dadurch gekennzeichnet, dass
    das Verfahren enthält, die folgenden Schritte abwechselnd wiederholt durchzuführen, um ein stufenbildendes Wickeln durchzuführen:
    einen ersten Schritt des Lokalisierens des ersten Hebelelements (63) und des zweiten Hebelelements (65) an der Nicht-Begrenzungsposition, um das Garn (4) zu einer Traversiernut (71) in der Traversiertrommel (5) mit einer ersten Traversierbreite zu führen; und
    einen zweiten Schritt des Lokalisierens des ersten Hebelelements (63) an der Begrenzungsposition und des zweiten Hebelelements (65) an der Nicht-Begrenzungsposition, um das Garn zu der Traversiertrommel (5) mit einer zweiten Traversierbreite zu führen, die schmaler ist als die erste Traversierbreite, um hierdurch das Garn (4) zu einer Traversiernut (73) der Traversiertrommel (5) zu führen, die sich von der Traversiernut (71) in dem ersten Schritt unterscheidet; und
    einen dritten Schritt des Lokalisierens des zweiten Hebelelements (65) an der Begrenzungsposition, um das Garn (4) zu der Traversiertrommel (5) mit einer dritten Traversierbreite zu führen, die schmaler ist als die zweite Traversierbreite, um hierdurch das Garn (4) zu einer Traversiernut der Traversiertrommel (5) zu führen, die sich von der Traversiernut (71, 73) in dem ersten Schritt und dem zweiten Schritt unterscheidet.
EP18816502.1A 2017-06-15 2018-06-01 Garnwicklungsvorrichtung Active EP3640173B1 (de)

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JP2017117679A JP2019001603A (ja) 2017-06-15 2017-06-15 糸巻取装置
PCT/JP2018/021234 WO2018230372A1 (ja) 2017-06-15 2018-06-01 糸巻取装置

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CN114408669A (zh) * 2022-03-28 2022-04-29 徐州和平化纤有限公司 一种丙纶长丝自动化收卷包装设备

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CN110730754A (zh) 2020-01-24

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